| Darby to Mangualde | 3,466.55 mi (5,578.88 km) |
| Darby to Marco de Canavezes | 3,432.54 mi (5,524.13 km) |
| Darby to Marinha Grande | 3,432.36 mi (5,523.84 km) |
| Darby to Massama | 3,442.61 mi (5,540.34 km) |
| Darby to Matosinhos | 3,406.01 mi (5,481.45 km) |
| Darby to Mealhada | 3,439.02 mi (5,534.56 km) |
| Darby to Melgaco | 3,403.11 mi (5,476.78 km) |
| Darby to Melres | 3,423.51 mi (5,509.60 km) |
| Darby to Mira | 3,423.93 mi (5,510.28 km) |
| Darby to Miranda do Corvo | 3,452.25 mi (5,555.87 km) |
| Darby to Mirandela | 3,471.19 mi (5,586.34 km) |
| Darby to Mogadouro | 3,497.47 mi (5,628.63 km) |
| Darby to Moimenta da Beira | 3,463.72 mi (5,574.32 km) |
| Darby to Moita | 3,459.96 mi (5,568.27 km) |
| Darby to Moncao | 3,394.01 mi (5,462.13 km) |
